diff options
| author | Stefan Roese <sr@denx.de> | 2007-12-29 09:23:11 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2007-12-29 09:23:11 +0100 |
| commit | feaa43f3a8f465cbf01ffa1b23b6b52431819a52 (patch) | |
| tree | 3ee393d421c72a882d27b1de5978a2a9befce062 /include/asm-sh/irqflags.h | |
| parent | 8697e6a19b10f514511b6a9c86de88bd108c4f8d (diff) | |
| parent | e174ac34adf5d5653df12bc3cf19c52063a71269 (diff) | |
| download | olio-uboot-2014.01-feaa43f3a8f465cbf01ffa1b23b6b52431819a52.tar.xz olio-uboot-2014.01-feaa43f3a8f465cbf01ffa1b23b6b52431819a52.zip | |
Merge branch 'for-1.3.2-ver2'
Conflicts:
cpu/ppc4xx/fdt.c
include/configs/kilauea.h
include/configs/sequoia.h
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'include/asm-sh/irqflags.h')
| -rw-r--r-- | include/asm-sh/irqflags.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/include/asm-sh/irqflags.h b/include/asm-sh/irqflags.h new file mode 100644 index 000000000..830e5486a --- /dev/null +++ b/include/asm-sh/irqflags.h @@ -0,0 +1,126 @@ +#ifndef __ASM_SH_IRQFLAGS_H +#define __ASM_SH_IRQFLAGS_H + +static inline void raw_local_irq_enable(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "and %1, %0\n\t" +#ifdef CONFIG_CPU_HAS_SR_RB + "stc r6_bank, %1\n\t" + "or %1, %0\n\t" +#endif + "ldc %0, sr\n\t" + : "=&r" (__dummy0), "=r" (__dummy1) + : "1" (~0x000000f0) + : "memory" + ); +} + +static inline void raw_local_irq_disable(void) +{ + unsigned long flags; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "or #0xf0, %0\n\t" + "ldc %0, sr\n\t" + : "=&z" (flags) + : /* no inputs */ + : "memory" + ); +} + +static inline void set_bl_bit(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "or %2, %0\n\t" + "and %3, %0\n\t" + "ldc %0, sr\n\t" + : "=&r" (__dummy0), "=r" (__dummy1) + : "r" (0x10000000), "r" (0xffffff0f) + : "memory" + ); +} + +static inline void clear_bl_bit(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "and %2, %0\n\t" + "ldc %0, sr\n\t" + : "=&r" (__dummy0), "=r" (__dummy1) + : "1" (~0x10000000) + : "memory" + ); +} + +static inline unsigned long __raw_local_save_flags(void) +{ + unsigned long flags; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "and #0xf0, %0\n\t" + : "=&z" (flags) + : /* no inputs */ + : "memory" + ); + + return flags; +} + +#define raw_local_save_flags(flags) \ + do { (flags) = __raw_local_save_flags(); } while (0) + +static inline int raw_irqs_disabled_flags(unsigned long flags) +{ + return (flags != 0); +} + +static inline int raw_irqs_disabled(void) +{ + unsigned long flags = __raw_local_save_flags(); + + return raw_irqs_disabled_flags(flags); +} + +static inline unsigned long __raw_local_irq_save(void) +{ + unsigned long flags, __dummy; + + __asm__ __volatile__ ( + "stc sr, %1\n\t" + "mov %1, %0\n\t" + "or #0xf0, %0\n\t" + "ldc %0, sr\n\t" + "mov %1, %0\n\t" + "and #0xf0, %0\n\t" + : "=&z" (flags), "=&r" (__dummy) + : /* no inputs */ + : "memory" + ); + + return flags; +} + +#define raw_local_irq_save(flags) \ + do { (flags) = __raw_local_irq_save(); } while (0) + +#define local_irq_save raw_local_irq_save + +static inline void raw_local_irq_restore(unsigned long flags) +{ + if ((flags & 0xf0) != 0xf0) + raw_local_irq_enable(); +} +#define local_irq_restore raw_local_irq_restore + +#endif /* __ASM_SH_IRQFLAGS_H */ |